SDC MSB550 Series 48" Mechanic...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$297.00
$190.65
SDC MSB550 Series - 48" Mechanical Switch Bars

SDC MSB550 Series 48" Mechanical Switch Bar with Electromagnetic Lock Release

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Model: MSB550-2V48
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$297.00
$190.65
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SDC MSB550 Series 48"; Mechanical Switch Bar with Electromagnetic Lock Release

Professional Electromagnetic Lock Release Solution for Access-Controlled Doors

The SDC MSB550 Series 48"; Mechanical Switch Bar provides reliable electromagnetic lock release for commercial access control applications. Featuring heavy duty aluminum extrusion construction with metal caps and all-metal mounting assembly, this switch bar delivers quick and quiet operation with only 1/8"; total bar movement. UL 294 and UL 1034 certified for access control and burglary-resistant applications, the MSB550 meets building code requirements for uninhibited egress through access-controlled doors.

Professional Features & Benefits

  • Minimal Bar Movement: Only 1/8"; total bar movement ensures quick and quiet trigger activation for immediate electromagnetic lock release.
  • Heavy-Duty Construction: Aluminum extrusion with metal end caps and all-metal mounting assembly prevents malfunction due to sagging or warped doors.
  • High-Traffic Durability: Rigid construction designed for commercial applications with heavy use requirements.
  • Code Compliance Design: Meets building code requirements that egress through access-controlled doors must not require prior knowledge of operational requirements.
  • Low-Profile Installation: Narrow, low-profile design minimizes visual impact while providing reliable operation.
  • Complete Installation Package: Includes power transfer loop (PT-2U) for easy installation and troubleshooting.
  • Multiple Model Options: Available as MSB550, MSB550-2 (dual switch), and MSB550-2W (weatherized dual switch) for various applications.
  • UL Certifications: UL 294 Access Control System Units and UL 1034 Burglary-Resistant Electric Locking Mechanisms certified with CSFM listing.

Technical Specifications

  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Fire Rating: No
  • PDF:SDC Full Catalog: https://zensupply.com/content/pdf/lcn/CondensedHardwareBrochure
  • Product Category: Exit Devices and Trim
  • Product Group: Exit Devices and Trim
  • Product Model: MSB550, MSB550-2, MSB550-2W
  • Product Projection: 1-7/8";
  • Product Size: 48";
  • Product Subgroup: Exit Devices - Rim
  • Product Type: Exit Devices - Rim
  • Series: MSB550 Series
  • Stile Type: Narrow or Wide Stile
  • Subcategory: Rim Exit Devices
  • Wood Door Compatible: No

Professional Applications

  • Commercial Building Access Control Systems
  • Educational Facility Emergency Egress
  • Healthcare Institution Security Systems
  • Retail Store Loss Prevention
  • Industrial Facility Controlled Access
  • Government and Municipal Building Security
  • Multi-Tenant Residential Access Control

Why Choose SDC Quality?

SDC MSB550 Series switch bars deliver professional-grade reliability with heavy duty aluminum construction and all-metal mounting assemblies designed for high-traffic commercial applications. UL 294 and UL 1034 certifications ensure compliance with access control and burglary-resistant standards. Engineered for demanding commercial applications where dependable electromagnetic lock release and code-compliant egress are essential.

Manufacturer Resources

SDC Full Catalog

Product Specs

Series:
MSB550 Series
Product Group:
Exit Devices and Trim
Product Subgroup:
Exit Devices - Rim
Product Type:
Exit Devices - Rim
Subcategory:
Rim Exit Devices
Commercial/Residential:
Commercial
Stile Type:
Narrow or Wide Stile
Wood Door Compatible:
No
Product Model:
MSB550, MSB550-2, MSB550-2W
Product Size:
48"
Fire Rating:
No
Product Projection:
1-7/8"
Product Category:
Exit Devices and Trim
Department:
Door Hardware

SDC MSB550-2V48 – Frequently Asked Questions

How fast can I get the SDC MSB550-2V48 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the SDC MSB550-2V48 come with a warranty?
Absolutely. The SDC MSB550-2V48 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the SDC MSB550-2V48?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the SDC MSB550-2V48 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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